A medium backrest chair, ergonimically designed, let human bodies, regardless of shape and size, sit comfortably through long hours. The chair chell is designed fir maximum support where best needed. Tekla has 4 different patterns on the upholstring, and also choices of legs and armrests, making it easy to meet everyones needs. The different legs are SUPERLEGGERA: Gliders and wheels / TREVI: gliders, 4 wheels and 5 wheels / DB1.8: Gliders The armrests are separate units, and undependent of the choise of upholster or legs.